[solved] How to get rid of this effect?

[Matthias]

??

Thanks!

[Graf Zahl]

How about posting the map so we can have a look at what may be wrong?

[Matthias]

Graf Zahl said:

How about posting the map so we can have a look at what may be wrong?

ok
https://dl.dropboxusercontent.com/u/18830285/MAP01.wad

however it looks it occures only in Zadronum - OpenGL reneder

[scifista42]

Looks like Z-fighting. Try putting the sky line further away from the bricks.

[Matthias]

scifista42 said:

Looks like Z-fighting. Try putting the sky line further away from the bricks.

just put something between the sky sector and wall sector... ?:)

[scifista42]

You do not already have any sector between the wall sector and the sky sector? Put it there!

[Matthias]

scifista42 said:

You do not already have any sector between the wall sector and the sky sector? Put it there!

Sure, thanks!

díky